19042 has 4 divisors (see below), whose sum is σ = 28566. Its totient is φ = 9520.

The previous prime is 19037. The next prime is 19051. The reversal of 19042 is 24091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16641 + 2401 = 129^2 + 49^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

19042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4759 + ... + 4762.

2¹⁹⁰⁴² is an apocalyptic number.

19042 is a deficient number, since it is larger than the sum of its proper divisors (9524).

19042 is an equidigital number, since it uses as much as digits as its factorization.

19042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 19042 is about 137.9927534329. The cubic root of 19042 is about 26.7036639241.

It can be divided in two parts, 190 and 42, that added together give a palindrome (232).

The spelling of 19042 in words is "nineteen thousand, forty-two".